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2J-X plunger metering pump is plunger /piston metering pump with duplex heads. Two liquid heads work separately with independent gear ratio mechanism. It is an ideal proportioning metering dosing pump for two different chemicals. The check valve is double-ball design for increased accuracy.

JSZ plunger metering pump is fully engaged mechanism for heavy duty use. The unique adjusting mechanism make the pump smoothly adjust from 0-100%. It has precise dosing capability even at maximum pressure. The motor can be both vertical and horizontal installed. Multiplex gear box with one motor drive and pump base is available.

JSR plunger metering Pump is positive displacement plunger dosing pumps are high pressure pumps with high accuracy performance within ± 1%. The motor can be both vertically and horizontally mounted. Multiplex gear boxes with one motor drive and pump base is available.

JSD plunger metering pump is designed for big flow and high pressure dosing. The Max pressure can up to 50Mpa. The liquid end is coated ceramic from SS316 piston. The plunger packing seal is PTFE compressed by SS316 gland ring to grantee the high pressure and for extended life with minimal leakage. JSD motor can be both vertically and horizontally mounted. Multiplex gear boxes with one motor drive and pump base is available.

JDR plunger metering pump is designed for flow and high pressure dosing. The Max pressure can up to 50Mpa. The liquid end is coated ceramic from SS316 piston. The plunger packing seal is PTFE compressed by SS316 gland ring to grantee the high pressure and for extended life with minimal leakage. JDR motor can be both vertically and horizontally mounted. Multiplex gear boxes with one motor drive and pump base is available. Widely used in petroleum, chemical industry, electric power, metallurgy, mining, shipbuilding, light industry, agriculture, national defense department and etc.

Solenoid diaphragm metering pump is KOSEN newly designed digital pump with an advanced microprocessor control board. The innovative big LED screen display the instant flow rate and the accumulated flow for easy reading. It has the same advantage of JLM manual model. The precise dosing can be controlled by the stroke speed both manually and automatically. The capacity range is from 1.0l/h to 20l/h at a back pressure from 10 bars to 1bar.

Air diaphragm pump (also called Pneumatic Diaphragm Pump) is a positive displacement pump that uses a combination of the reciprocating action of a diaphragm and suitable valves on either side of the diaphragm to pump a fluid.